Only way to clear IAS Prelims with confidence is to Practice daily Mocks ,

24 questions came from our test series in 2018.When others declare 80-90 questions,24 questions might seem puny.But we all know the truth of such claims.ShankarIAS(one of the most reputed institute whose prelims answer key and cutoff are always the closest to the actual result) claims for 27 questions only.